A square of four regular cards are shown back and face. A spectator name any card. The choice is absolutely free. The selected card instantly become blank, and the card is found in the magician's pocket. However, the card now has a blank back. Yet, you put together the blank face and the blank back card together, the selected card is back to normal, and the other card is a double blank card. Give it all for examination if you wish. You are set and ready to do the trick again.